490496690 has 8 divisors (see below), whose sum is σ = 882894060. Its totient is φ = 196198672.

The previous prime is 490496683. The next prime is 490496803. The reversal of 490496690 is 96694094.

It can be written as a sum of positive squares in 2 ways, for example, as 399160441 + 91336249 = 19979^2 + 9557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×490496690² = 481174005801912200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24524825 + ... + 24524844.

Almost surely, 2^490496690 is an apocalyptic number.

490496690 is a deficient number, since it is larger than the sum of its proper divisors (392397370).

490496690 is a wasteful number, since it uses less digits than its factorization.

490496690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49049676.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 490496690 is about 22147.1598630614. The cubic root of 490496690 is about 788.6398054319.

The spelling of 490496690 in words is "four hundred ninety million, four hundred ninety-six thousand, six hundred ninety".